From 72ec9b1e10477c931e2bda9a9c9a626e189af409 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Mon, 7 Nov 2022 09:17:04 -0500
Subject: [PATCH 1/2] Add `Pair.tick_size` to `kraken` schema

---
 piker/brokers/kraken/feed.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/piker/brokers/kraken/feed.py b/piker/brokers/kraken/feed.py
index b0bf9821..992c5e04 100644
--- a/piker/brokers/kraken/feed.py
+++ b/piker/brokers/kraken/feed.py
@@ -85,6 +85,7 @@ class Pair(Struct):
     margin_call: str  # margin call level
     margin_stop: str  # stop-out/liquidation margin level
     ordermin: float  # minimum order volume for pair
+    tick_size: float # min price step size
 
 
 class OHLC(Struct):

From e547b307f648dffb9e82d80504207178384ce5da Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Thu, 10 Nov 2022 01:42:48 -0500
Subject: [PATCH 2/2] Deflect 1s OHLC loading for `kraken`

---
 piker/brokers/kraken/feed.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/piker/brokers/kraken/feed.py b/piker/brokers/kraken/feed.py
index 992c5e04..62aeefa2 100644
--- a/piker/brokers/kraken/feed.py
+++ b/piker/brokers/kraken/feed.py
@@ -271,8 +271,12 @@ async def open_history_client(
         ]:
 
             nonlocal queries
-            if queries > 0:
-                raise DataUnavailable
+            if (
+                queries > 0
+                or timeframe != 60
+            ):
+                raise DataUnavailable(
+                    'Only a single query for 1m bars supported')
 
             count = 0
             while count <= 3: